# You have 7,232 grams of a radioactive kind of uranium. How much will be left after 56 hours if its half-life is 14 hours?

##### 1 Answer

May 27, 2017

#### Answer:

#### Explanation:

We're asked to find how much uranium remains after a given time (

When solving half-life problems like this one, we can use the equation

where

(In case it's difficult to see, the exponent on the

Plugging in known variables, the equation becomes